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发明名称
Perfectionnements aux outils pour façonner dans les tôles des trous à bords filetés
摘要
申请公布号
FR1373197(A)
申请公布日期
1964.09.25
申请号
FR19630944897
申请日期
1963.08.16
申请人
REGIE NATIONALE DES USINES RENAULT
发明人
分类号
B21D22/04
主分类号
B21D22/04
代理机构
代理人
主权项
地址
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